-#include <functional>
-#include <memory>
-#include <string>
-#include <vector>
+/* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */
-#include <pybind11/functional.h>
-#include <pybind11/pybind11.h>
-#include <pybind11/stl.h>
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-#include <simgrid/config.h>
-#include <xbt/log.h>
-#include <xbt/string.hpp>
+#include <pybind11/pybind11.h> // Must be first
+#include <pybind11/stl.h>
+#include "src/kernel/context/Context.hpp"
#include <simgrid/s4u/Actor.hpp>
#include <simgrid/s4u/Engine.hpp>
#include <simgrid/s4u/Host.hpp>
+#include <simgrid/s4u/Mailbox.hpp>
-#include <boost/intrusive_ptr.hpp>
+#include <memory>
+#include <string>
+#include <vector>
namespace py = pybind11;
using simgrid::s4u::Actor;
using simgrid::s4u::ActorPtr;
using simgrid::s4u::Engine;
using simgrid::s4u::Host;
+using simgrid::s4u::Mailbox;
XBT_LOG_NEW_DEFAULT_CATEGORY(python, "python");
m.attr("simgrid_version") = simgrid_version;
- m.def("info", [](char* s) { XBT_INFO("%s", s); }, "Display a logging message of default priority.");
+ // Internal exception used to kill actors and sweep the RAII chimney (free objects living on the stack)
+ py::object pyStopRequestEx = py::register_exception<simgrid::kernel::context::Context::StopRequest>(m, "ActorKilled");
/* this_actor namespace */
- m.def("execute", py::overload_cast<double>(&simgrid::s4u::this_actor::execute),
- "Block the actor, computing the given amount of flops");
- m.def("execute", py::overload_cast<double, double>(&simgrid::s4u::this_actor::execute),
- "Block the actor, computing the given amount of flops at the given priority");
- m.def("yield_", &simgrid::s4u::this_actor::yield, "Yield the actor");
+ void (*sleep_for_fun)(double) = &simgrid::s4u::this_actor::sleep_for; // pick the right overload
+ void (*sleep_until_fun)(double) = &simgrid::s4u::this_actor::sleep_until;
+
+ py::module m2 = m.def_submodule("this_actor", "Bindings of the s4u::this_actor namespace.");
+ m2.def("info", [](char* s) { XBT_INFO("%s", s); }, "Display a logging message of default priority.");
+ m2.def("error", [](char* s) { XBT_ERROR("%s", s); }, "Display a logging message of 'error' priority.");
+ m2.def("execute", py::overload_cast<double, double>(&simgrid::s4u::this_actor::execute),
+ "Block the current actor, computing the given amount of flops at the given priority, see :cpp:func:`void "
+ "simgrid::s4u::this_actor::execute(double, double)`",
+ py::arg("flops"), py::arg("priority") = 1);
+ m2.def("get_host", &simgrid::s4u::this_actor::get_host, "Retrives host on which the current actor is located");
+ m2.def("migrate", &simgrid::s4u::this_actor::migrate, "Moves the current actor to another host, see :cpp:func:`void simgrid::s4u::this_actor::migrate()`",
+ py::arg("dest"));
+ m2.def("sleep_for", sleep_for_fun,
+ "Block the actor sleeping for that amount of seconds, see :cpp:func:`void simgrid::s4u::this_actor::sleep_for`", py::arg("duration"));
+ m2.def("sleep_until", sleep_until_fun,
+ "Block the actor sleeping until the specified timestamp, see :cpp:func:`void simgrid::s4u::this_actor::sleep_until`", py::arg("duration"));
+ m2.def("suspend", &simgrid::s4u::this_actor::suspend, "Suspend the current actor, that is blocked until resume()ed by another actor. see :cpp:func:`void simgrid::s4u::this_actor::suspend`");
+ m2.def("yield_", &simgrid::s4u::this_actor::yield,
+ "Yield the actor, see :cpp:func:`void simgrid::s4u::this_actor::yield()`");
+ m2.def("exit", &simgrid::s4u::this_actor::exit, "kill the current actor");
/* Class Engine */
- py::class_<Engine>(m, "Engine")
+ py::class_<Engine>(m, "Engine", "Simulation Engine, see :ref:`class s4u::Engine <API_s4u_Engine>`")
.def(py::init([](std::vector<std::string> args) -> simgrid::s4u::Engine* {
static char noarg[] = {'\0'};
int argc = args.size();
// Currently this can be dangling, we should wrap this somehow.
return new simgrid::s4u::Engine(&argc, argv.get());
}))
- .def("load_platform", &Engine::load_platform, "Load a platform file describing the environment")
- .def("load_deployment", &Engine::load_deployment, "Load a deployment file and launch the actors that it contains")
+ .def("get_all_hosts", &Engine::get_all_hosts, "Returns the list of all hosts found in the platform")
+ .def("get_clock", &Engine::get_clock, "Retrieve the simulation time (in seconds)")
+ .def("load_platform", &Engine::load_platform,
+ "Load a platform file describing the environment, see :cpp:func:`simgrid::s4u::Engine::load_platform()`")
+ .def("load_deployment", &Engine::load_deployment,
+ "Load a deployment file and launch the actors that it contains, see "
+ ":cpp:func:`simgrid::s4u::Engine::load_deployment()`")
.def("run", &Engine::run, "Run the simulation")
- .def("register_function", [](Engine*, std::string name, std::function<void(std::vector<std::string>)> f) {
- simgrid::simix::register_function(name,
- [f](std::vector<std::string> args) -> simgrid::simix::ActorCode {
- return [args, f]() { f(args); };
- });
- }, "Registers the main function of an actor that will be launched from the deployment file");
-
- // Currently, Host lead to segfault:
- py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>>(m, "Host")
- .def("by_name", &Host::by_name, "Retrieve an host from its name, or die");
-
- py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor", "An actor is an independent stream of execution in your distributed application");
-
- // Select the right template instantiation
- simgrid::s4u::ActorPtr (*create_actor)(std::string, Host*, std::function<void()>) = &Actor::create;
-
- m.def("create_actor", create_actor, "Create an actor");
- m.def("create_actor", [](std::string name, Host* host) -> std::function<ActorPtr(std::function<void()>)> {
- return [name, host](std::function<void()> f) -> ActorPtr {
- return simgrid::s4u::Actor::create(name, host, std::move(f));
- };
- }, "Create an actor");
+ .def("register_actor",
+ [pyStopRequestEx](Engine*, std::string name, py::object fun_or_class) {
+ simgrid::simix::register_function(
+ name, [pyStopRequestEx, fun_or_class](std::vector<std::string> args) -> simgrid::simix::ActorCode {
+ return [pyStopRequestEx, fun_or_class, args]() {
+ try {
+ /* Convert the std::vector into a py::tuple */
+ py::tuple params(args.size() - 1);
+ for (size_t i = 1; i < args.size(); i++)
+ params[i - 1] = py::cast(args[i]);
+
+ py::object res = fun_or_class(*params);
+
+ /* If I was passed a class, I just built an instance, so I need to call it now */
+ if (py::isinstance<py::function>(res))
+ res();
+ } catch (py::error_already_set& ex) {
+ if (ex.matches(pyStopRequestEx)) {
+ XBT_VERB("Actor killed");
+ /* Stop here that StopRequest exception which was meant to free the RAII stuff on the stack */
+ } else {
+ throw;
+ }
+ }
+ };
+ });
+ },
+ "Registers the main function of an actor, see :cpp:func:`simgrid::s4u::Engine::register_function()`");
+
+ /* Class Host */
+ py::class_<simgrid::s4u::Host, std::unique_ptr<Host, py::nodelete>>(m, "Host", "Simulation Engine, see :ref:`class s4u::Host <API_s4u_Host>`")
+ .def("by_name", &Host::by_name, "Retrieves a host from its name, or die")
+ .def("current", &Host::current, "Retrieves the host on which the running actor is located, see :cpp:func:`simgrid::s4u::Host::current()`")
+ .def_property_readonly("name", [](Host* self) -> const std::string {
+ return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
+ }, "The name of this host")
+ .def_property_readonly("speed", &Host::get_speed,
+ "The peak computing speed in flops/s at the current pstate, taking the external load into account, see :cpp:func:`simgrid::s4u::Host::get_speed()`");
+
+ /* Class Mailbox */
+ py::class_<simgrid::s4u::Mailbox, std::unique_ptr<Mailbox, py::nodelete>>(m, "Mailbox", "Mailbox, see :ref:`class s4u::Mailbox <API_s4u_Mailbox>`")
+ .def("by_name", &Mailbox::by_name, "Retrieve a Mailbox from its name, see :cpp:func:`simgrid::s4u::Mailbox::by_name()`")
+ .def_property_readonly("name", [](Mailbox* self) -> const std::string {
+ return std::string(self->get_name().c_str()); // Convert from xbt::string because of MC
+ }, "The name of that mailbox, see :cpp:func:`simgrid::s4u::Mailbox::get_name()`")
+ .def("put", [](Mailbox self, py::object data, int size) {
+ data.inc_ref();
+ self.put(data.ptr(), size);
+ }, "Blocking data transmission, see :cpp:func:`void simgrid::s4u::Mailbox::put(void*, uint64_t)`")
+ .def("get", [](Mailbox self) -> py::object {
+ py::object data = pybind11::reinterpret_steal<py::object>(pybind11::handle(static_cast<PyObject*>(self.get())));
+ data.dec_ref();
+ return data;
+ }, "Blocking data reception, see :cpp:func:`void* simgrid::s4u::Mailbox::get()`");
+
+ /* Class Actor */
+ py::class_<simgrid::s4u::Actor, ActorPtr>(m, "Actor",
+ "An actor is an independent stream of execution in your distributed "
+ "application, see :ref:`class s4u::Actor <API_s4u_Actor>`")
+
+ .def("create",
+ [pyStopRequestEx](py::str name, py::object host, py::object fun, py::args args) {
+
+ return simgrid::s4u::Actor::create(name, host.cast<Host*>(), [fun, args, pyStopRequestEx]() {
+
+ try {
+ fun(*args);
+ } catch (py::error_already_set& ex) {
+ if (ex.matches(pyStopRequestEx)) {
+ XBT_VERB("Actor killed");
+ /* Stop here that StopRequest exception which was meant to free the RAII stuff on the stack */
+ } else {
+ throw;
+ }
+ }
+ });
+ },
+ "Create an actor from a function or an object, see :cpp:func:`simgrid::s4u::Actor::create()`")
+ .def_property("host", &Actor::get_host, &Actor::migrate, "The host on which this actor is located")
+ .def("daemonize", &Actor::daemonize,
+ "This actor will be automatically terminated when the last non-daemon actor finishes, see :cpp:func:`void "
+ "simgrid::s4u::Actor::daemonize()`")
+ .def("join", py::overload_cast<double>(&Actor::join),
+ "Wait for the actor to finish, see :cpp:func:`void simgrid::s4u::Actor::join(double)`", py::arg("timeout"))
+ .def("migrate", &Actor::migrate,
+ "Moves that actor to another host, see :cpp:func:`void simgrid::s4u::Actor::migrate()`", py::arg("dest"))
+ .def("self", &Actor::self, "Retrieves the current actor, see :cpp:func:`void simgrid::s4u::Actor::self()`")
+ .def("is_suspended", &Actor::is_suspended, "Returns True if that actor is currently suspended.")
+ .def("suspend", &Actor::suspend, "Suspend that actor, that is blocked until resume()ed by another actor.")
+ .def("resume", &Actor::resume, "Resume that actor, that was previously suspend()ed.");
}
